|
指标
|
亚硝酸盐氮
|
氨氮
|
硝酸盐氮
|
总氮
|
|
测量范围
|
0-0.3mg/L
|
0-50mg/L
|
0-20mg/L
|
0-70.3mg/L
|
|
分辨率
|
0.001mg/L
|
0.01mg/L
|
||
|
重复性
|
≤2%
|
|||
|
示值误差
|
±5%FS
|
|||
|
电源
|
AC 220V 50Hz
|
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SD-1A 型四氮检测仪
